Production of zinc castings using die casting technology

Materials used in casting
• ZnAl4Cu1, ZAMAK 5 (Zn 410), according to ČSN 42 3560
• ZnAl, ZAMAK 3 (Zn 400), according to ČSN 42 3558
• ZnAlCu3, ZAMAK 2 (Zn 430), according to ČSN 42 3562

Zinc die casting alloys
The production of  zinc die castings is performed on automatic casting machines
FRECH with  hot vertical chamber and locking force 20-80 tons.
Weight of die cast parts:  2-800g 

Finishing techniques
  • trimming in FRECH hydraulic press
  • tumbling on Rösler vibrating machines
  • grinding on abrasive-band grinding machines
  • manual finishing
                       

Machining processes
  • drilling, threading on single-purpose machines
  • turning 

Cooperation

Surface finishing treatments
  • chromatizing
  • blackening
  • nickeling
  • chromating
  • chemical nickeling
  • pulverized varnishing 

Construction and production of injection moulds and trimming instruments   

Measurement and control
  • Digital height gauge TRIMOS MESTRA – TOUCH
  • Digital height gauge TRIMOS VERTICAL 3
  • Surface roughness gauge SURFTEST.301
  • Microscope, table hardness meter
  • Chemical analysis – analysis of zinc alloy composition

Assembly and completion of parts